3.20 Janice J. Snyder, William C. Schmidt and Alan Kingstone (Univ of Alberta, Univ at Buffalo and Univ of British Columbia) A facilitatory effect does not contribute to the inhibition of return effect

3.40 Katherine Arbuthnott and Todd Woodward (Univ of Regina and Univ of British Columbia) Is task-set inhibition in set switching location specific?

12.30 Faraneh Vargha-Khadem, David G Gadian and Mortimer Mishkin (Inst of Child Health, Univ College London and National Inst of Mental Health, Bethesda, USA) Dissociations in cognitive memory: The syndrome of developmental amnesia

11.40 Alastair McClelland, John Haynes and Zhuo Jia Sun (Univ College London) The hard-easy effect in the calibration of subjective probabilities: The effect of defining 'difficulty' in terms of absolute difference rather than familiarity

10.20 Andrew J Calder, Jill Keane and Andy Young (MRC Cognition and Brain Sciences Unit, Cambridge and Univ of York) A selective impairment in the recognition of facial and vocal signals of disgust following brain injury.

Session B: Biochemistry Lecture Theatre

9.00 Mark R Cole (Huron College, Univ of Western Ontario) Performance as a function of number and spatial arrangement of food locations on a large radial maze

Symposium: Spatial cognition in animals Organiser: Ron Weisman

9.20 Marcia Spetch (Univ of Alberta) Visual scene analysis in pigeons

9.40 Sue Healy and Robert Biegler (Univ of Edinburgh) Seasonality and spatial memory in birds.

3.20 C A G Hayman, J Fugelsang, J Cofell and R P Cribbie (Lakehead Univ, Univ of Saskatchewan, Univ of Western Ontario and Univ of Manitoba) The role of source memory in setting the criteria for signal decision processes